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November 30th, 2025 :: 9:17 am CST   

Local Weather Report for
Decatur
Illinois, United States

 Current Decatur Weather Conditions Updated November 30th at 7:54 am 
Overcast
Temperature:25°F Dew Point:16°F
Barometer:30.24 inHg Wind:N 41 Mph
Humidity:67.7% Visibility:0M
 
 Decatur Weather Forecast Summary  
 
Today
Nov 30th
Monday
Dec 1st
Tuesday
Dec 2nd
Wednesday
Dec 3rd
Thursday
Dec 4th
Cloudy Flurries Cloudy Cloudy Cloudy
25°F
28°F
16°F
22°F
10°F
32°F
18°F
19°F
1°F
 
 Decatur Detailed Weather Forecast  
 
Sunday, November 30th, 2025
Morning Temperature: 21°F
Cloudy. Windy.
Afternoon Temperature: 24°F
Cloudy. Windy at times.
Evening Temperature: 20°F
Cloudy.
Monday, December 1st, 2025
Overnight Temperature: 18°F
Cloudy.
Morning Temperature: 25°F
Cloudy with a chance of flurries.
Afternoon Temperature: 26°F
Cloudy with a chance of flurries.
Evening Temperature: 26°F
Cloudy with flurries likely.
Tuesday, December 2nd, 2025
Overnight Temperature: 16°F
Clear with cloudy periods with a slight chance of flurries.
Morning Temperature: 19°F
Sunny with cloudy periods.
Afternoon Temperature: 10°F
Cloudy.
Evening Temperature: 15°F
Cloudy.
Wednesday, December 3rd, 2025
Overnight Temperature: 20°F
Cloudy. Windy at times.
Morning Temperature: 29°F
Cloudy. Windy at times.
Afternoon Temperature: 32°F
Cloudy.
Evening Temperature: 29°F
A mix of cloudy and clear skies with a chance of flurries. Windy at times.
Thursday, December 4th, 2025
Overnight Temperature: 16°F
Cloudy. Windy at times.
Morning Temperature: 12°F
Cloudy.
Afternoon Temperature: 4°F
Cloudy.
Evening Temperature: 1°F
Cloudy.
Friday, December 5th, 2025
Overnight Temperature: 9°F
Cloudy.
Morning Temperature: 22°F
Cloudy with flurries likely.
Afternoon Temperature: 23°F
A mix of cloud and sun with a chance of flurries.
Evening Temperature: 16°F
Cloudy.
Saturday, December 6th, 2025
Overnight Temperature: 25°F
Cloudy.
Morning Temperature: 31°F
Cloudy.
Afternoon Temperature: 33°F
Cloudy. Windy at times.
Evening Temperature: 34°F
Cloudy with flurries or showers likely. Risk of freezing rain. Windy at times.
Sunday, December 7th, 2025
Overnight Temperature: 36°F
Cloudy with showers. Showers possibly mixed with wet flurries. Windy at times.
Morning Temperature: 33°F
Cloudy with flurries or showers likely. Windy at times.
Afternoon Temperature: 33°F
Cloudy. Windy at times.
Evening Temperature: 31°F
Cloudy. Windy at times.
Monday, December 8th, 2025
Overnight Temperature: 20°F
Cloudy.
Morning Temperature: 23°F
Cloudy.
Afternoon Temperature: 17°F
Sunny.
Evening Temperature: 16°F
Mostly clear.





 

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This WeatherCity Weather Forecast for Decatur, Illinois, United States is computed using a computer-generated forecast model and should be considered experimental. Please confirm this weather information with your official weather information office

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